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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (1 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0141, P0161: Heated Oxygen Sensor 2 Heater >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. CONSULT screen terms
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P0141 HO2S2 HTR (B1)
(O2 sensor heater circuit bank 1 sensor 2)
  • Sensor temperature does not increase for 100 consecutive seconds or more despite the maximum operating condition of the heated oxygen sensor 2 heater.
  • Sensor temperature does not decrease for 100 consecutive seconds or more despite the inactive condition of the heated oxygen sensor 2 heater.
  • Harness or connectors

    (The heated oxygen sensor 2 heater circuit is open or shorted.)

  • Heated oxygen sensor 2 heater
P0161 HO2S2 HTR (B2)
(O2 sensor heater circuit bank 2 sensor 2)
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